FR2537360A1 - Generateur d'ondes ultracourtes a deux oscillateurs - Google Patents

Generateur d'ondes ultracourtes a deux oscillateurs Download PDF

Info

Publication number
FR2537360A1
FR2537360A1 FR8319220A FR8319220A FR2537360A1 FR 2537360 A1 FR2537360 A1 FR 2537360A1 FR 8319220 A FR8319220 A FR 8319220A FR 8319220 A FR8319220 A FR 8319220A FR 2537360 A1 FR2537360 A1 FR 2537360A1
Authority
FR
France
Prior art keywords
oscillator
frequency
output
voltage
usable
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
FR8319220A
Other languages
English (en)
French (fr)
Inventor
Hugh Mcpherson
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ferranti International PLC
Original Assignee
Ferranti PLC
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Ferranti PLC filed Critical Ferranti PLC
Publication of FR2537360A1 publication Critical patent/FR2537360A1/fr
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/02—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
    • G01S7/28—Details of pulse systems
    • G01S7/285—Receivers
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
    • G01S13/02—Systems using reflection of radio waves, e.g. primary radar systems; Analogous systems
    • G01S13/06—Systems determining position data of a target
    • G01S13/08—Systems for measuring distance only
    • G01S13/10—Systems for measuring distance only using transmission of interrupted, pulse modulated waves
    • G01S13/24—Systems for measuring distance only using transmission of interrupted, pulse modulated waves using frequency agility of carrier wave

Landscapes

  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
FR8319220A 1982-12-02 1983-12-01 Generateur d'ondes ultracourtes a deux oscillateurs Pending FR2537360A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB08234401A GB2131638B (en) 1982-12-02 1982-12-02 Microwave frequency generator

Publications (1)

Publication Number Publication Date
FR2537360A1 true FR2537360A1 (fr) 1984-06-08

Family

ID=10534691

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8319220A Pending FR2537360A1 (fr) 1982-12-02 1983-12-01 Generateur d'ondes ultracourtes a deux oscillateurs

Country Status (5)

Country Link
DE (1) DE3343540A1 (it)
FR (1) FR2537360A1 (it)
GB (1) GB2131638B (it)
IT (1) IT1172361B (it)
SE (1) SE8306636L (it)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4829301A (en) * 1987-11-13 1989-05-09 Ford Aerospace & Communications Corporation Digital first order hold circuit
DE69838212T3 (de) † 1998-07-28 2019-03-14 Ipcom Gmbh & Co. Kg Mobiltelefon

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3899746A (en) * 1972-09-22 1975-08-12 Siemens Ag Two oscillators alternately switched into a phase lock loop with outputs taken only during free running period of each oscillator
US4105948A (en) * 1977-04-18 1978-08-08 Rca Corporation Frequency synthesizer with rapidly changeable frequency
FR2469823A1 (fr) * 1979-11-09 1981-05-22 Thomson Csf Generateur de frequences asservi en temperature et synthetiseur de frequences comportant au moins un tel generateur
EP0041882A1 (fr) * 1980-06-03 1981-12-16 Thomson-Csf Dispositif de prépositionnement de fréquence pour synthétiseur indirect de fréquence, et synthétiseur comportant un tel dispositif
US4310804A (en) * 1978-02-06 1982-01-12 Motorola, Inc. Input activated frequency synthesizer

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3899746A (en) * 1972-09-22 1975-08-12 Siemens Ag Two oscillators alternately switched into a phase lock loop with outputs taken only during free running period of each oscillator
US4105948A (en) * 1977-04-18 1978-08-08 Rca Corporation Frequency synthesizer with rapidly changeable frequency
US4310804A (en) * 1978-02-06 1982-01-12 Motorola, Inc. Input activated frequency synthesizer
FR2469823A1 (fr) * 1979-11-09 1981-05-22 Thomson Csf Generateur de frequences asservi en temperature et synthetiseur de frequences comportant au moins un tel generateur
EP0041882A1 (fr) * 1980-06-03 1981-12-16 Thomson-Csf Dispositif de prépositionnement de fréquence pour synthétiseur indirect de fréquence, et synthétiseur comportant un tel dispositif

Also Published As

Publication number Publication date
IT8349415A0 (it) 1983-12-01
GB2131638A (en) 1984-06-20
SE8306636D0 (sv) 1983-12-01
SE8306636L (sv) 1984-06-03
IT1172361B (it) 1987-06-18
GB2131638B (en) 1986-03-12
DE3343540A1 (de) 1984-06-07

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